linux-kernel - [PATCH 2/4] sched/rt: Add accessors rq_of_rt

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Message-ID: <1394835295.18748.32.camel@HP-250-G1-Notebook-PC>
Date:	Sat, 15 Mar 2014 02:14:55 +0400
From:	Kirill Tkhai <tkhai@...dex.ru>
To:	linux-kernel@...r.kernel.org
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 2/4] sched/rt: Add accessors rq_of_rt_se()

Two accessors for RT_GROUP_SCHED and !RT_GROUP_SCHED cases.

Signed-off-by: Kirill Tkhai <tkhai@...dex.ru>
CC: Peter Zijlstra <peterz@...radead.org>
CC: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/rt.c |   17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index e4def13..93810d2 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -112,6 +112,13 @@ static inline struct rt_rq *rt_rq_of_se(struct sched_rt_entity *rt_se)
 	return rt_se->rt_rq;
 }
 
+static inline struct rq *rq_of_rt_se(struct sched_rt_entity *rt_se)
+{
+	struct rt_rq *rt_rq = rt_se->rt_rq;
+
+	return rt_rq->rq;
+}
+
 void free_rt_sched_group(struct task_group *tg)
 {
 	int i;
@@ -211,10 +218,16 @@ static inline struct rq *rq_of_rt_rq(struct rt_rq *rt_rq)
 	return container_of(rt_rq, struct rq, rt);
 }
 
-static inline struct rt_rq *rt_rq_of_se(struct sched_rt_entity *rt_se)
+static inline struct rq *rq_of_rt_se(struct sched_rt_entity *rt_se)
 {
 	struct task_struct *p = rt_task_of(rt_se);
-	struct rq *rq = task_rq(p);
+
+	return task_rq(p);
+}
+
+static inline struct rt_rq *rt_rq_of_se(struct sched_rt_entity *rt_se)
+{
+	struct rq *rq = rq_of_rt_se(rt_se);
 
 	return &rq->rt;
 }




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